How do you adjust idle on your 2002 Toyota Tundra?

To adjust the idle on a 2002 Toyota Tundra, first, ensure the engine is fully warmed up. Locate the idle air control (IAC) valve, which is usually found on the throttle body. You may need to disconnect the IAC connector and turn the adjustment screw slightly to increase or decrease the idle speed, but it's recommended to consult the vehicle's service manual for specific procedures and specifications. After adjusting, reconnect the IAC and check the idle speed using a tachometer to ensure it is within the manufacturer's recommended range.